Why are there fewer serial killers now than there used to be?

Looking at the most-streamed movies or television shows on any given streaming service, it would be easy to assume that serial killers lurk behind every corner. The stories of Jeffrey Dahmer, Ted Bundy and the Boston Strangler ...

Alien plantscapes make it hard to know what country you're in

Around the globe, natural habitats are being overrun by plant species originating from different regions. A study published today in Global Change Biology reveals that the growing prevalence of exotic plants in our gardens ...

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